﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Resources;

/**
 * 创建时间：2014/11/12 23:45:54
 * 作者：yong.blackcore
 * Email：itblackhole@outlook.com
 * QQ：50404503
 */
namespace CUWo.Common
{

    public enum MessageToastLevel
    {
        Info,
        Warn,
        Error
    }

    /// <summary>
    /// 提示信息
    /// <para>从页面顶部滑入页面，3秒后自动消失</para>
    /// </summary>
    public sealed class MessageToastManager
    {
        private static readonly Color defaultForegroundColor = Colors.White;//Color.FromArgb(255, 255, 144, 0);
        private static readonly Color defaultBackgroundColor = Helper.HexToColor("#ff1870d4");// Colors.White;

        static MessageToastManager()
        {
            try
            {
                defaultForegroundColor = Helper.HexToColor(Convert.ToString(Application.Current.Resources["DefaultMessageToastForegroundColor"]));
                defaultBackgroundColor = Helper.HexToColor(Convert.ToString(Application.Current.Resources["DefaultMessageToastBackgroundColor"]));
            }
            catch
            {

            }
        }
        public static void Show(string text, MessageToastLevel level = MessageToastLevel.Info, Action complete = null, double height = 60)
        {
            Show(text, defaultForegroundColor, defaultBackgroundColor, level, complete, height);
        }

        public static void Show(string text, Color foregroundColor, Color backgroundColor, MessageToastLevel level = MessageToastLevel.Info, Action complete = null, double height = 60)
        {
            Show(text, new SolidColorBrush(foregroundColor), new SolidColorBrush(backgroundColor), level, complete, height);
        }

        public static void Show(string text, Brush foregroundBrush, Brush backgroundBrush, MessageToastLevel level = MessageToastLevel.Info, Action complete = null, double height = 60)
        {
            Grid grid = new Grid();
            grid.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(50, GridUnitType.Pixel) });
            grid.ColumnDefinitions.Add(new ColumnDefinition());
            //
            BitmapImage bi = new BitmapImage();
            Image image = new Image() { Width = 48, Height = 48, HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Center };

            if (level == MessageToastLevel.Warn)
            {
                //bi.UriSource = new Uri(string.Concat(Keys.RESOURCE_ASSEMBLYNAME, "/Images/icons/warn.png"), UriKind.Relative);
                StreamResourceInfo resourceInfo = Application.GetResourceStream(new System.Uri(Keys.RESOURCE_ASSEMBLYNAME + "/Images/icons/warn.png", UriKind.Relative));
                bi.SetSource(resourceInfo.Stream);
                image.Source = bi;
            }
            else if (level == MessageToastLevel.Error)
            {
                //bi.UriSource = new Uri(string.Concat(Keys.RESOURCE_ASSEMBLYNAME, "/Images/icons/error.png"), UriKind.Relative);
                StreamResourceInfo resourceInfo = Application.GetResourceStream(new System.Uri(Keys.RESOURCE_ASSEMBLYNAME + "/Images/icons/error.png", UriKind.Relative));
                bi.SetSource(resourceInfo.Stream);
                image.Source = bi;
            }
            else
            {
                //bi.UriSource = new Uri(string.Concat(Keys.RESOURCE_ASSEMBLYNAME, "/Images/icons/info.png"), UriKind.Relative);
                StreamResourceInfo resourceInfo = Application.GetResourceStream(new System.Uri(Keys.RESOURCE_ASSEMBLYNAME + "/Images/icons/info.png", UriKind.Relative));
                bi.SetSource(resourceInfo.Stream);                
                image.Source = bi;
            }
            Grid.SetColumn(image, 0);
            grid.Children.Add(image);
            //
            TextBlock txtContent = new TextBlock()
            {
                Text = text,
                Foreground = foregroundBrush,
                FontSize = 20,/* (double)Application.Current.Resources["PhoneFontSizeNormal"],*/
                VerticalAlignment = VerticalAlignment.Center,
                Margin = new Thickness(0, 0, 0, 0),
                HorizontalAlignment = HorizontalAlignment.Left,
                TextWrapping = TextWrapping.Wrap
            };
            Grid.SetColumn(txtContent, 1);
            grid.Children.Add(txtContent);


            var p = new Popup
            {
                Child = new Border
                {
                    Width = Application.Current.Host.Content.ActualWidth,
                    Background = backgroundBrush,
                    //Child = new TextBlock
                    //{
                    //    Text = text,
                    //    Foreground = foregroundBrush,
                    //    FontSize = 26,/* (double)Application.Current.Resources["PhoneFontSizeNormal"],*/
                    //    VerticalAlignment = VerticalAlignment.Center,
                    //    Margin = new Thickness(10, 0, 0, 0)
                    //}
                    Child = grid
                }
            };

            Show(p, complete, height);
        }

        private static void Show(Popup popup, Action complete = null, double height = 40)
        {
            if (!(popup.Child.RenderTransform is CompositeTransform))
            {
                popup.Child.RenderTransform = new CompositeTransform();
            }
            ((CompositeTransform)popup.Child.RenderTransform).TranslateY = -height;

            //Debug.Assert(popup.Child is FrameworkElement);

            var element = popup.Child as FrameworkElement;
            element.Height = height;

            var storyboard = new Storyboard
            {
                AutoReverse = false
            };

            var doubleAnimaionUsingKeyFrames = new DoubleAnimationUsingKeyFrames();
            Storyboard.SetTarget(doubleAnimaionUsingKeyFrames, popup.Child);
            Storyboard.SetTargetProperty(doubleAnimaionUsingKeyFrames, new PropertyPath("(UIElement.Opacity)", new object[0]));
            storyboard.Children.Add(doubleAnimaionUsingKeyFrames);

            //0.5秒透明度从0-1
            var doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0.5)),
                Value = 1,
                EasingFunction = new CubicEase { EasingMode = EasingMode.EaseOut }
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);
            doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(2.4)),
                Value = 0.995,
                EasingFunction = new CubicEase { EasingMode = EasingMode.EaseIn }
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);
            doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(3)),
                Value = 0.1,
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);



            doubleAnimaionUsingKeyFrames = new DoubleAnimationUsingKeyFrames();
            Storyboard.SetTarget(doubleAnimaionUsingKeyFrames, popup.Child);
            Storyboard.SetTargetProperty(doubleAnimaionUsingKeyFrames, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateY)", new object[0]));
            storyboard.Children.Add(doubleAnimaionUsingKeyFrames);
            doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0.5)),
                Value = 0,
                EasingFunction = new CubicEase { EasingMode = EasingMode.EaseOut }
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);
            doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(2.4)),
                Value = 0,
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);
            doubleKeyFrame = new EasingDoubleKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(3)),
                Value = -height,
                EasingFunction = new CubicEase { EasingMode = EasingMode.EaseIn }
            };
            doubleAnimaionUsingKeyFrames.KeyFrames.Add(doubleKeyFrame);

            var objectAnimaionUsingKeyFrames = new ObjectAnimationUsingKeyFrames();
            Storyboard.SetTarget(objectAnimaionUsingKeyFrames, popup);
            Storyboard.SetTargetProperty(objectAnimaionUsingKeyFrames, new PropertyPath("(Popup.IsOpen)", new object[0]));
            storyboard.Children.Add(objectAnimaionUsingKeyFrames);

            var discreteObjectKeyFrame = new DiscreteObjectKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0)),
                Value = true
            };
            objectAnimaionUsingKeyFrames.KeyFrames.Add(discreteObjectKeyFrame);

            discreteObjectKeyFrame = new DiscreteObjectKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(3)),
                Value = false
            };
            objectAnimaionUsingKeyFrames.KeyFrames.Add(discreteObjectKeyFrame);

            if (complete != null)
            {
                storyboard.Completed += (s, e) => complete.Invoke();
            }

            storyboard.Begin();
        }
    }
}
